Briefs: Materials
Synthesis of Novel Copoly(alkyl ether imide)s With Unique Surface Properties

Copoly(alkyl ether imide)s were synthesized for the purposes of tailoring surface chemistry. Alkyl ether oligomers with amine end groups were synthesized from the hydroxyl-terminated species, and subsequently reacted with aromatic dianhydrides and diamines to make the...

Briefs: Materials

A self-healing advanced composite system was designed and optimized using minimum self-healing (SH) agent (~0.02%) deposited in microscopically ordered arrays through...

Briefs: Mechanical & Fluid Systems
Fail-Safe Accumulator for Internal Active Thermal Control Loops

Spacecraft internal active thermal control systems (ATCSs) typically use water or a water mixture as their working fluid. A gas-charged bellows accumulator pressurizes the system and provides liquid inventory control. If only a single internal ATCS loop is used, the accumulator...

Briefs: Mechanical & Fluid Systems
Rocket Vent Design With Variable Flow Control and Rain Protection

This innovation is a rocket purge vent design that can control and balance flow across multiple vents and across very large gas flow ranges while keeping water or other undesirable gases from entering into the vented space. When changing purge rates, this device adapts to the...

Briefs: Mechanical & Fluid Systems
Turbo-Brayton Converter for Fission Surface Power Applications

Producing electric power for space applications is challenging. Although short-term missions can use batteries or fuel cells, these sources are not practical for durations longer than one month. Photovoltaics become less attractive as the distance from the Sun increases, and they are...

Briefs: Mechanical & Fluid Systems

Machine vibration often originates with rotating driveline components such as rotors, gears, bearings, and fans. Such vibration is the source of unwanted noise and can be destructive to the machine. The vibration ring is a...

Briefs: Mechanical & Fluid Systems
Locomotion of Amorphous Surface Robots

The proposed techniques rely on three principal concepts: (1) controlling the polarity of electromagnets, (2) circulating fluid through a compartmentalized bladder, and (3) expanding and deflating polymers. These designs would allow amorphous robots to move across a surface without conventional wheels or...

Briefs: Mechanical & Fluid Systems
Fluid Disconnect Cooling Technique

The purpose of this innovation is to simulate the space temperature environment onto a fluid disconnect. This environment is to be maintained for a long period of time (48 hours) at a controlled temperature [6 ±2 °F(≈–14.4 ±1.1 °C)] to determine if temperature is causing leakage through the...

Briefs: Medical
HeartBeatID – Heart Electrical Actions as Biometric Indicia

One or more biometric indicia, such as fingerprints, voice prints, retinal scans, and facial features, are often used to identify or authenticate the identity of a user seeking access to a given resource. Cardiac muscle is myogenic and is capable of generating an action potential and...

Briefs: Medical
Cryogenic Grinding for Mechanical Abrasion for Hardy Endospores

A comparative analysis was carried out between an emerging cryogenic grinding method and a conventional wet-chemistry/bead-beating endospore disruption approach. After extensive trial and error, it was determined that a regimen of three cryogenic grinding cycles of 2 minutes each...

Briefs: Medical

The innovation consists of a method for fabricating containers (“biocapsules”) made of biocompatible mesh for holding living cells and...

Briefs: Information Technology
Non-Binary Protograph-Based LDPC Codes for Short Block Lengths

Short block codes are in demand by international space agencies for transmission of command and control data to spacecraft in the uplink channel. Codes that outperform currently used binary codes with the same block lengths and code rates are desirable. A design method constructs...

Briefs: Information Technology
Method Resolves Algebraic Loops While Improving Accuracy and Reducing Runtime

A method has been developed for resolving algebraic loops that occur in closed-loop systems when using MathWorks Simulink modeling and simulation tools. This variable fidelity method improves accuracy and reduces runtime significantly for users of Simulink Coder...

Products: Sensors/Data Acquisition

Dewetron, Wakefield, RI, has introduced the TrendCorder series of instruments designed for basic data acquisition applications in industry. They feature intuitive, multi-touch operation, enabling them to...

Articles: Photonics/Optics

Efficient and accurate operations are vital to the success of today’s manufacturer. Newcomb Spring, a manufacturer of custom springs, wire forms and stampings, is continually working...

Application Briefs: Photonics/Optics

Manufacturing companies are placing increasing emphasis on data security throughout their operations to protect confidential data and to validate that their systems are protected against...

Briefs: Photonics/Optics
Solar Pumped Fiber Laser for Solar Sail Propulsion and Remote Power Transfer

A new method has been developed to create coherent laser light efficiently with direct optical coupling of the Sun’s energy into the gain medium for multiple uses. New advances in solar cell photovoltaic (PV) technologies have greatly improved their efficiencies,...

Briefs: Photonics/Optics
ELID Grinding of Large Aspheres

This work focused on a manufacturing process to produce silicon carbide optical surfaces with low mid-spatial surface errors. Mid-spatial frequency (MSF) and high-spatial frequency (HSF) surface errors in the grinding of fast aspheres are amplified in hard ceramics like silicon carbide due to cyclic tool wear...

Briefs: Photonics/Optics
Systems and Methods for Localized Surface Plasmon Resonance Sensing

Recently, there is widespread interest in the development of chemical and biochemical sensors based on plasmonic resonance of metallic nanostructures. In the localized surface plasmon resonance (LSPR) for nanometer-sized metallic structures, a resonant oscillation of the...

Products: Photonics/Optics

The RTS125 from 4DSP (Austin, TX) is an off-the-shelf, distributed fiber optic sensing solution. With tens of thousands of strain or temperature sensors simultaneously monitored up to 100...

Products: Photonics/Optics

OSI Laser Diode, Inc. (LDI) (Edison, NJ), an OSI Systems Company, has introduced new packaging options for the CVD High Power Laser line. The innovative and compact package features coaxial cable...

Products: Photonics/Optics

Element Six (Santa Clara, CA) recently announced that its high-purity single crystal chemical vapor deposition (CVD) diamond material has been proven for use in intracavity cooling of disc...

Products: Photonics/Optics

SICK (Minneapolis, MN) recently announced the launch of the high-resolution LECTOR®650 image-based code reader for high-performance 1D and 2D code reading. A large field of view and an optional dynamic...

Products: Photonics/Optics

NYFORS (Stockholm, Sweden) has introduced a new high-precision optical fiber cleaver that accommodates fiber diameters from 80 μm up to more than 400 μm. The new AutoCleaver LDF-M‘ is specifically designed to...

Products: Photonics/Optics

greenTEG AG (Zurich, Switzerland) has added a new small thermal sensor for radiation measurements to its product portfolio. At just 4.4 x 4.4 x 0.5 mm, the Gskin-XB 45 9R for radiation measurements is among the smallest...

Briefs: Mechanical & Fluid Systems

Equipment for space exploration is almost impossible to test on Earth. Testing is expensive and cannot replicate the conditions of launch, cruise, landing, and travel across a planetary surface....

Briefs: Physical Sciences

The European Organization for Nuclear Research (CERN) requires new magnets that are smaller than their predecessors to accommodate new instrumentation. Because of their size, these...

Briefs: Software

Keysight Technologies (formerly Agilent Technologies) develops world-leading equipment for solving tough measurement challenges. The company’s Infiniium 90000 Q-Series...

Briefs: Software

The use of composites is rapidly growing across many industries, fostering the need for new design, analysis, and optimization technologies. Every industry feels increasing pressure to launch breakthrough...

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